CVE-2025-4611 Slim SEO <= 4.5.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via slim_seo_breadcrumbs Shortcode

CVE Details

Basic Information

Title CVE-2025-4611 Slim SEO <= 4.5.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via slim_seo_breadcrumbs Shortcode
Type cve
Published 2025-05-21T09:21:50
Last Seen 2025-05-21T10:09:21

CVSS Information

Base Score 6.4 (MEDIUM)
Attack Vector NETWORK
Attack Complexity LOW
Privileges Required LOW
User Interaction NONE
Scope CHANGED
Confidentiality Impact LOW
Integrity Impact LOW
Availability Impact NONE

AI Analysis

AI Description The Slim SEO plugin for WordPress is vulnerable to Stored Cross-Site Scripting (XSS) due to insufficient input sanitization and output escaping in the ‘slim_seo_breadcrumbs’ shortcode. This allows authenticated users with at least contributor-level access to inject malicious scripts into web pages, which are then executed when the page is viewed by other users.
AI Severity Medium
Vendor WordPress Community
Product Slim SEO – Fast & Automated WordPress SEO Plugin
Affected Version Up to and including 4.5.3

Additional Information

CVE List CVE-2025-4611
CWE List CWE-79
Bulletin Family cve

Description

The Slim SEO – Fast & Automated WordPress SEO Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin’s slim_seo_breadcrumbs shortcode in all versions up to, and including, 4.5.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS Score Summary

Base Score: %!f(string=#) (MEDIUM)

View Full CVE Details

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